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| Mirrors > Home > MPE Home > Th. List > elrab3 | Structured version Visualization version GIF version | ||
| Description: Membership in a restricted class abstraction, using implicit substitution. (Contributed by NM, 5-Oct-2006.) |
| Ref | Expression |
|---|---|
| elrab.1 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| elrab3 | ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrab.1 | . . 3 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
| 2 | 1 | elrab 3629 | . 2 ⊢ (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ (𝐴 ∈ 𝐵 ∧ 𝜓)) |
| 3 | 2 | baib 540 | 1 ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 207 = wceq 1547 ∈ wcel 2119 {crab 3391 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-tru 1550 df-ex 1787 df-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-rab 3392 df-v 3433 |
| This theorem is referenced by: unimax 4875 fnelfp 7119 fnelnfp 7121 fnse 8073 fin23lem30 10255 isf32lem5 10270 negn0 11570 ublbneg 12874 supminf 12876 sadval 16416 smuval 16441 dvdslcm 16558 dvdslcmf 16591 isprm2lem 16641 isacs1i 17614 isinito 17954 istermo 17955 subgacs 19127 nsgacs 19128 odngen 19543 sdrgacs 20773 lssacs 20957 mretopd 23075 txkgen 23635 xkoco1cn 23640 xkoco2cn 23641 xkoinjcn 23670 ordthmeolem 23784 shft2rab 25493 sca2rab 25497 lhop1lem 25998 ftalem5 27058 vmasum 27197 eqcuts2 27796 elmade 27867 addonbday 28289 israg 28783 ebtwntg 29069 eupth2lem3lem3 30318 eupth2lem3lem4 30319 eupth2lem3lem6 30321 cycpmco2lem1 33207 cycpmco2lem4 33210 cycpmco2 33214 ssdifidllem 33539 1arithufdlem2 33628 tgoldbachgt 34847 cvmliftmolem1 35509 neibastop3 36590 fdc 38112 pclvalN 40382 dvhb1dimN 41478 hdmaplkr 42405 aks4d1p8 42572 sticksstones1 42631 fsuppssind 43043 diophren 43258 islmodfg 43514 fsovcnvlem 44457 ntrneiel 44525 radcnvrat 44758 supminfxr 45907 stoweidlem34 46477 |
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